85213320132 has 24 divisors (see below), whose sum is σ = 199684439136. Its totient is φ = 28282531648.

The previous prime is 85213320119. The next prime is 85213320151. The reversal of 85213320132 is 23102331258.

It is a happy number.

It is a super-2 number, since 2×85213320132² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85213320132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15235638 + ... + 15241229.

It is an arithmetic number, because the mean of its divisors is an integer number (8320184964).

Almost surely, 2^85213320132 is an apocalyptic number.

It is an amenable number.

85213320132 is an abundant number, since it is smaller than the sum of its proper divisors (114471119004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85213320132 is a wasteful number, since it uses less digits than its factorization.

85213320132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30477107 (or 30477105 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 85213320132 in words is "eighty-five billion, two hundred thirteen million, three hundred twenty thousand, one hundred thirty-two".